Memory upgrade for power edge T710

I have a PowerEdge T710 ST JJC7FP1

It needs more memory it has 4 DUAL IN-LINE MEMORY MODULE, 4G, 1333, 2RX8X72, REGULATORY, C1KCN

What is the max memory or at least to get it to 32 or 48 G would be best. and what would be the part #

Thanks